driver core: Make dev_err_probe() silent for -ENOMEM

For an out-of-memory error there should be no additional output. Adapt
dev_err_probe() to not emit the error message when err is -ENOMEM.
This simplifies handling errors that might among others be -ENOMEM.

Signed-off-by: Uwe Kleine-König <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/r/3d1e308d45cddf67749522ca42d83f5b4f0b9634.1718311756.git.u.kleine-koenig@baylibre.com
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: ukleinek

drivers/base/core.c

@@ -5021,11 +5021,22 @@ int dev_err_probe(const struct device *dev, int err, const char *fmt, ...)
 	vaf.fmt = fmt;
 	vaf.va = &args;
 
-	if (err != -EPROBE_DEFER) {
-		dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
-	} else {
+	switch (err) {
+	case -EPROBE_DEFER:
 		device_set_deferred_probe_reason(dev, &vaf);
 		dev_dbg(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
+		break;
+
+	case -ENOMEM:
+		/*
+		 * We don't print anything on -ENOMEM, there is already enough
+		 * output.
+		 */
+		break;
+
+	default:
+		dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
+		break;
 	}
 
 	va_end(args);